Magnum PI Costume

Thomas Magnum is one of the most iconic TV detectives of the 1980s. His look is just as famous as his charm. The Hawaiian shirts, aviator shades, and mustache have become a pop culture symbol.

If you want to capture the style, every detail matters. Let’s break down the full outfit piece by piece so you can nail it.

DIY Costume Items

1. Brown Short Curly Wig
2. Black Baseball Cap
3. Black Aviator Sunglasses
4. Brown Mustache
5. Red Hawaiian Shirt
6. Blue Jeans Pant
7. Khaki Web Belt
8. Black Wrist Watch
9. Khaki Shoes
10. Black Binocular

Magnum PI Costume Breakdown

1. Curly Brown Wig

Magnum's hair is one of his trademarks. It’s thick, curly, and perfectly suits his laid-back style. If you don’t have the same hair, a short curly brown wig will work.

Look for a style that has medium curls and natural volume. Avoid wigs with overly shiny synthetic fibers. They look fake in daylight. You can lightly trim or shape it if needed.

The hair should reach just above the ears and frame the forehead without covering it completely.

Bonus Tip: Use a small amount of mousse to give the curls a relaxed bounce. Too much product will make it stiff.

2. Navy Baseball Cap

Magnum often wears a navy blue cap. The one most people remember has military-style embroidery on the front.

This detail is a nod to his Navy background. Choose a cap with a curved brim, not a flat one. It should fit snug but not press into your head.

If you can find one with gold embroidered text and an insignia, even better.

Bonus Tip: Slightly bend the brim for a more natural, worn-in look.

3. Aviator Sunglasses

The sunglasses are non-negotiable. They give Magnum his cool, confident edge. Go for black or dark metal frames with teardrop-shaped lenses.

The lenses should be dark enough to hide your eyes in sunlight but not so dark that they look like costume lenses.

Thin arms and a classic bridge design will make them look more authentic.

Bonus Tip: Keep them clean. Smudged lenses ruin the sharp, put-together vibe.

4. Brown Mustache

The mustache is the heart of this look. Without it, you’re just a guy in a Hawaiian shirt.

Magnum's mustache is medium-thick and neatly trimmed. If you can’t grow one in time, use a stick-on version.

Choose a brown shade that matches the wig or your natural hair. The ends should sit just outside the corners of your mouth.

Bonus Tip: If it’s a fake mustache, secure it with extra adhesive. The last thing you want is for it to peel off mid-photo.

5. Red Hawaiian Shirt

The shirt is the loudest piece of the outfit. Bright red with bold tropical flowers is the way to go.

Look for a relaxed fit with short sleeves and a camp collar. The fabric should be lightweight cotton or a cotton blend so it moves easily.

Make sure the print has greens, whites, and yellows to match the classic Magnum vibe. Wear it untucked for a casual feel, but keep the top two buttons undone.

Bonus Tip: Wash the shirt once before wearing. It softens the fabric and keeps it from looking stiff.

6. Straight-Leg Blue Jeans

Magnum’s jeans are simple but important. Go for mid-blue denim in a straight-leg cut. Avoid skinny or overly baggy fits.

They should sit at the waist and fall naturally over the shoes. A light fade in the fabric looks good but keep it minimal. These jeans balance the bright shirt and keep the outfit grounded.

Bonus Tip: Roll the hems slightly if they’re too long. Magnum’s style was neat but relaxed.

7. Woven Belt

A tan or beige woven belt adds a casual touch. The texture contrasts with the smooth denim and shirt fabric.

Look for a belt with a silver buckle and leather trim near the buckle. It should fit snugly without hanging too much past the first belt loop.

Bonus Tip: If the belt is too long, tuck the extra length neatly back into the loops.

8. Black Leather Watch

A classic black leather watch ties the look together. The face should be simple and easy to read, preferably with white numbers on a dark dial.

This accessory gives the outfit a practical, rugged edge. Keep the strap clean and not overly shiny.

Bonus Tip: If you can find a watch with a military-inspired design, that’s even closer to the original.

9. Casual Boat Shoes

Magnum often wore beige or tan boat shoes. They match the tropical vibe and are comfortable for walking around.

Choose a pair with a low profile and soft fabric or leather. The soles should be flat and flexible. Wear them without socks for authenticity.

Bonus Tip: Scuff the soles slightly so they don’t look fresh out of the box.

10. Binoculars

The binoculars are more than a prop. They add personality and hint at Magnum’s detective work.

Choose black binoculars with a classic design. They don’t need to be high-end, but they should look functional. Sling them around your neck for an easy accessory that also helps complete the character.

Bonus Tip: If they’re heavy, use a padded strap so they’re more comfortable to wear for long periods.

Putting It All Together

Now that we’ve gone over each piece, here’s how to wear it for the best effect. Start with the jeans and belt, then add the Hawaiian shirt. Keep the shirt loose and airy. Slip on the boat shoes without socks.

Add the watch to your left wrist. Style the wig so it sits naturally on your head. Secure the mustache and adjust it until it’s perfectly straight. Put on the cap and bend the brim slightly.

Slide the sunglasses on, either over your eyes or hanging from the shirt collar. Hang the binoculars around your neck or hold them in one hand.

When it’s all in place, check yourself in the mirror. The look should be relaxed but sharp. The goal is to look like you just stepped off the set in Hawaii.

Extra Tips for Accuracy

• Posture matters: Magnum often stood with one hip slightly forward and shoulders back.
• Facial expressions: A friendly smirk or knowing grin sells the character.
• Props: Carry a vintage-style camera if you want another signature touch.
• Background: A tropical or beach setting will make photos pop.

Why This Costume Works

Magnum’s style is timeless because it blends casual comfort with strong personality. Each piece is wearable on its own, but together they create something instantly recognizable.

The bright Hawaiian shirt draws the eye, the mustache seals the deal, and the accessories tell a story. Whether you’re wearing it for a party, event, or just for fun, the outfit always sparks conversation.

If you follow this guide closely, you’ll have a look that feels authentic without being overcomplicated. Every item is easy to find, comfortable to wear, and instantly tied to one of TV’s most beloved detectives.